<div id="div1" class="container">
  <p>123</p>
  <p>456</p>
</div>;

// js
let vnode = {
  tag: "div",
  attr: {
    id: "div1",
    className: "container",
  },
  children: [
    {
      tag: "p",
      attr: {},
      children: ["123"],
    },
    {
      tag: "p",
      attr: {},
      children: ["456"],
    },
  ],
};
